Finding the Fourth Proportional to 837,403,518.76, 1,256,292,611.08 and 255,183,331.21
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Solution
The fourth proportional to 837,403,518.76, 1,256,292,611.08 and 255,183,331.21 is: 382,832,083.09
Step by Step Solution
- Step 1: Write the proportion equation
837,403,518.76 : 1,256,292,611.08 = 255,183,331.21 : x - Step 2: Convert to fraction form
837,403,518.76/1,256,292,611.08 = 255,183,331.21/x - Step 3: Cross multiply
837,403,518.76x = 1,256,292,611.08 × 255,183,331.21 - Step 4: Simplify right side
837,403,518.76x = 320,584,933,469,903,360 - Step 5: Solve for x
x = 320,584,933,469,903,360/837,403,518.76 - Step 6: Final answer
x = 382,832,083.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.